Conduit Ground Clamp; Conductor Size 8 AWG, 6 AWG, 4 AWG (Copper); IPS Size 1/2 to 1 Inch; Size 2-3/16 Inch L; Material Plain Brass; Approval UL 467, CSA; Used On 1/2 to 3/4 Inch Copper Water Pipe; ROHS Compatible; Applicable Standard Federal Specification A-A-50552, NEMA FB-1; Clamp Type Bare Wire